:root {
    --primary-navy: #0B2545;
    --secondary-navy: #134074;
    --brand-green: #10B981;
    --brand-green-hover: #059669;
    --text-dark: #1F2937;
    --text-muted: #6B7280;
    --bg-light: #F9FAFB;
    --bg-white: #FFFFFF;
    --border-color: #E5E7EB;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Hind Siliguri', sans-serif;
}

body {
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}

/* Topbar */
.top-bar {
    background-color: var(--primary-navy);
    color: #fff;
    font-size: 14px;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}
.contact-info span {
    margin-right: 15px;
}
.top-links a {
    color: #fff;
    text-decoration: none;
    margin-left: 15px;
    transition: 0.3s;
}
.top-links a:hover {
    color: var(--brand-green);
}
.track-btn {
    background: var(--brand-green);
    padding: 3px 10px;
    border-radius: 4px;
}

/* Navbar */
.main-header {
    background: var(--bg-white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}
.brand-logo {
    text-decoration: none;
}
.brand-logo h2 {
    color: var(--primary-navy);
    font-size: 26px;
    font-weight: 700;
}
.brand-logo p {
    color: var(--brand-green);
    font-size: 13px;
    font-weight: 500;
}
.main-nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 20px;
}
.main-nav a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 16px;
    transition: 0.3s;
}
.main-nav a:hover {
    color: var(--brand-green);
}
.btn-admin-nav {
    background: var(--secondary-navy);
    color: #fff !important;
    padding: 6px 14px;
    border-radius: 6px;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--secondary-navy) 100%);
    color: #fff;
    padding: 70px 0;
    text-align: center;
}
.hero-section h1 {
    font-size: 38px;
    margin-bottom: 15px;
}
.hero-section p {
    font-size: 18px;
    max-width: 750px;
    margin: 0 auto 30px auto;
    opacity: 0.9;
}
.hero-search-box {
    background: #fff;
    border-radius: 8px;
    padding: 10px;
    max-width: 600px;
    margin: auto;
    display: flex;
    gap: 10px;
}
.hero-search-box input {
    flex: 1;
    border: none;
    padding: 12px 15px;
    outline: none;
    font-size: 16px;
}
.hero-search-box button {
    background: var(--brand-green);
    color: #fff;
    border: none;
    padding: 12px 25px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
}

/* Section */
.section {
    padding: 60px 0;
}
.section-title {
    text-align: center;
    margin-bottom: 40px;
}
.section-title h2 {
    font-size: 30px;
    color: var(--primary-navy);
}
.section-title p {
    color: var(--text-muted);
}

.grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
}
.card-item {
    background: #fff;
    border-radius: 8px;
    padding: 25px;
    text-align: center;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
    transition: 0.3s;
}
.card-item:hover {
    transform: translateY(-5px);
}
.card-item .icon {
    font-size: 40px;
    color: var(--brand-green);
    margin-bottom: 15px;
}
.card-item h3 {
    color: var(--primary-navy);
    font-size: 20px;
    margin-bottom: 10px;
}
.card-item p {
    color: var(--text-muted);
    font-size: 14px;
}

/* Country */
.country-badge {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    font-weight: 600;
    color: var(--primary-navy);
}

/* Footer */
.main-footer {
    background: var(--primary-navy);
    color: #fff;
    padding-top: 50px;
    margin-top: 50px;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    padding-bottom: 40px;
}
.footer-col h3, .footer-col h4 {
    margin-bottom: 20px;
    color: #fff;
}
.footer-col p {
    color: #CBD5E1;
    font-size: 14px;
    margin-bottom: 10px;
}
.footer-col ul {
    list-style: none;
}
.footer-col ul li {
    margin-bottom: 8px;
}
.footer-col ul li a {
    color: #CBD5E1;
    text-decoration: none;
    font-size: 14px;
    transition: 0.3s;
}
.footer-col ul li a:hover {
    color: var(--brand-green);
}
.whatsapp-btn {
    display: inline-block;
    background: var(--brand-green);
    color: #fff;
    text-decoration: none;
    padding: 10px 18px;
    border-radius: 6px;
    font-weight: 600;
    margin-top: 10px;
}
.footer-bottom {
    background: #06172B;
    padding: 15px 0;
    font-size: 13px;
    color: #94A3B8;
}

.floating-wa {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background: #25D366;
    color: #fff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 32px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    z-index: 9999;
    text-decoration: none;
}

@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 15px;
    }
    .main-nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    .top-bar-content {
        justify-content: center;
        text-align: center;
    }
    .hero-search-box {
        flex-direction: column;
    }
}